Problem Brief
Find Max Sum with Same First and Last Digit
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Given an array with integers, find the maximum sum of any 2 numbers whose first and last digits match.
E.g - [ 2, 36, 45, 306, 415] -> 36 + 306 < 45 + 415
Ans - 460
1Example 1
Input
nums = [2, 36, 45, 306, 415]
Output
460
Explanation
The maximum sum of any 2 numbers whose first and last digits match is obtained by adding 45 and 415, which gives us 460.